| Value | Category | Cases | |
|---|---|---|---|
| -5 | Missing; Not available | 11 |
0.9%
|
| -2 | No answer | 2 |
0.2%
|
| -1 | Don't know | 35 |
2.9%
|
| 1 | None of them | 66 |
5.5%
|
| 2 | Few of them | 465 |
38.5%
|
| 3 | Most of them | 387 |
32%
|
| 4 | All of them | 242 |
20%
|